Security deposit amountYou can find plenty of examples by searching for "tenant estoppel certificate doc" or exchanging "doc" with "pdf" for more options.Here is an example and explanation: Sample EstoppelSome have a lot of legal jargon but this document does not need to be so detailed.

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At the moment, damages were relatively light to the property, and I do have a security deposit that I can use For those and to also apply what’s left over for missing rents.

Should I deduct the cost from their security deposit or is it considered normal wear and tear?

So secure a great tenant, understand the characteristics of the community and build an outstanding working relationship!  

Say I went with that one though and secured it all cash.

Consider all the things that could go wrong and see if the lease addresses them: unauthorized pets or tenants, early termination, security deposit, lease violations, late rent, eviction, lawn maintenance, parking, etc.5.

This is very important on the back end if you have to impose claims against the security deposit (at least in Florida).4) Read your management agreement thoroughly and know the cancelation policy. 

You said they are "from California" but now you are saying they don't have a social security number?

Also collect at least 1 months rent for the security deposit.